The most common and most likely answer to this crossword clue is the 4 plus 6 letter word FREE SPIRIT
I've seen this crossword clue in Financial Times
F
R
E
E
S
P
I
R
I
T
More clues leading to the result FREE SPIRIT
- Independent person getting whisky on the house?
- Uninhibited person, generous soul
- An independent thinker, like Ariel finally?
- Complimentary drink for Bohemian
- Maverick offering drinks on the house?
- Nonconformist ready to accept split with prophet coming up
- Bohemian popular with drinkers?
- What generous barman might offer individualist
- Bohemian going begging with whisky, perhaps
- What Prospero promises to do when unimpeded by gin
Buddy explains!

The straight part
We know that "individualist" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case individualist = free spirit.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.